/*========================== begin_copyright_notice ============================

Copyright (C) 2017-2021 Intel Corporation

SPDX-License-Identifier: MIT

============================= end_copyright_notice ===========================*/

#pragma once

#include "Compiler/CISACodeGen/CISACodeGen.h"
#include "Compiler/CISACodeGen/CVariable.hpp"
#include "Compiler/CISACodeGen/PatternMatchPass.hpp"
#include "Compiler/CISACodeGen/helper.h"
#include "Compiler/CISACodeGen/GenCodeGenModule.h"
#include "visa_wa.h"
#include "inc/common/sku_wa.h"

namespace IGC {
class CShader;

struct SFlag {
  CVariable *var;
  e_predMode mode;
  bool invertFlag;
  void init() {
    var = NULL;
    mode = EPRED_NORMAL;
    invertFlag = false;
  }
};

struct SModifier {
  uint16_t subReg;
  uint8_t subVar;
  uint8_t region[3];
  e_modifier mod;
  e_instance instance;
  bool specialRegion;
  void init() {
    mod = EMOD_NONE;
    subVar = 0;
    subReg = 0;
    instance = EINSTANCE_UNSPECIFIED;
    specialRegion = false;
  }
};

struct SAlias {
  CVariable *m_rootVar;
  VISA_Type m_type;
  // If m_aliasVar != null, visa GenVar's alias offset must be set to
  // m_aliasVar->aliasOffset, not zero.
  CVariable *m_aliasVar;
  SAlias(CVariable *var, VISA_Type type, CVariable *aliasVar = nullptr)
      : m_rootVar(var), m_type(type), m_aliasVar(aliasVar) {}
};

struct SAliasMapInfo {
  static inline SAlias getEmptyKey() { return SAlias(nullptr, ISA_TYPE_UD, nullptr); }
  static inline SAlias getTombstoneKey() { return SAlias(nullptr, ISA_TYPE_D, nullptr); }
  static unsigned getHashValue(const SAlias &Val) {
    unsigned ty = (unsigned)Val.m_type;
    if (Val.m_aliasVar)
      ty += 0x011000;
    return llvm::DenseMapInfo<CVariable *>::getHashValue(Val.m_rootVar) ^ ty;
  }
  static bool isEqual(const SAlias &LHS, const SAlias &RHS) {
    if (!LHS.m_aliasVar && !RHS.m_aliasVar) {
      // common case
      return LHS.m_rootVar == RHS.m_rootVar && LHS.m_type == RHS.m_type;
    } else if (LHS.m_aliasVar && RHS.m_aliasVar) {
      // inline asm only
      return LHS.m_rootVar == RHS.m_rootVar && LHS.m_type == RHS.m_type &&
             LHS.m_aliasVar->GetAliasOffset() == RHS.m_aliasVar->GetAliasOffset();
    }
    return false;
  }
};

/// Helps representing URB write channel masks in a way that provides type
/// safety and adapts to the channel mask format required by V-ISA interface.
class URBChannelMask {
public:
  explicit URBChannelMask(unsigned int bitmask) : m_bitmask(bitmask) {}

  /// Returns the size of bitmask,
  /// defined as the position of the most significant bit with value 1.
  /// E.g. size(10001) == 5, size(1) == 1 , size(1111) = 4
  size_t size() const;

  /// Returns channel mask in the format expected by V-ISA.
  /// If the mask is full (i.e. consists of all 1) the return value must be 0xFF
  /// that means 'no channel mask'. In other cases it is the actual stored mask
  /// E.g. 1010 asVISAMask --> 1010, 111 asVISAMask --> 11111111 (full mask
  /// case)
  unsigned int asVISAMask() const;

  // returns true if all channels are set (i.e., we can skip the channel mask)
  bool isAllSet() const { return ((m_bitmask + 1) & m_bitmask) == 0; }

private:
  unsigned int m_bitmask;
};

struct SEncoderState {
  SModifier m_srcOperand[4];
  SModifier m_dstOperand;
  SFlag m_flag;
  SIMDMode m_simdSize;
  SIMDMode m_uniformSIMDSize;
  e_mask m_mask;
  bool m_noMask;
  bool m_SubSpanDestination;
  bool m_secondHalf;
  bool m_secondNibble = false;
};

class CEncoder {
public:
  void InitEncoder(bool canAbortOnSpill, bool hasStackCall, bool hasInlineAsmCall, bool hasAdditionalVisaAsmToLink,
                   int numThreadsPerEU, uint lowerBoundGRF, uint upperBoundGRF, VISAKernel *prevKernel);
  void InitBuildParams(llvm::SmallVector<std::unique_ptr<const char, std::function<void(const char *)>>, 10> &params);
  void InitVISABuilderOptions(TARGET_PLATFORM VISAPlatform, bool canAbortOnSpill, bool hasStackCall,
                              bool enableVISA_IR);
  SEncoderState CopyEncoderState();
  void SetEncoderState(SEncoderState &newState);
  VISA_Align GetVISAAlign(CVariable *var);

  void SetAbortOnSpillThreshold(bool canAbortOnSpill, bool AllowSpill);
  void SetMaxRegForThreadDispatch();
  void SetDispatchSimdSize();
  void SetSpillMemOffset();
  void SetStackFunctionArgSize(uint size); // size in GRFs
  void SetStackFunctionRetSize(uint size); // size in GRFs
  void SetExternFunctionFlag();

  void GetVISAPredefinedVar(CVariable *pVar, PreDefined_Vars var);
  void CreateVISAVar(CVariable *var, bool UseAliasOffset = false);
  void DeclareInput(CVariable *var, uint offset, uint instance);
  void DeclarePred(CVariable *var, uint offset);
  void MarkAsOutput(CVariable *var);
  void MarkAsPayloadLiveOut(CVariable *var);
  void MarkAsExclusiveLoad(CVariable *var);
  void Compile(bool hasSymbolTable, GenXFunctionGroupAnalysis *&pFGA);
  std::string GetShaderName();
  const vISA::KernelCostInfo *kci;

  CEncoder();
  void SetProgram(CShader *program);
  void Jump(CVariable *flag, uint label);
  void AddLabel(uint label);
  void AddDivergentResourceLoopLabel(uint label);
  uint GetNewLabelID(const CName &name);
  void DwordAtomicRaw(AtomicOp atomic_op, const ResourceDescriptor &bindingTableIndex, CVariable *dst,
                      CVariable *elem_offset, CVariable *src0, CVariable *src1, bool is16Bit = false);
  void AtomicRawA64(AtomicOp atomic_op, const ResourceDescriptor &resource, CVariable *dst, CVariable *elem_offset,
                    CVariable *src0, CVariable *src1, unsigned short bitwidth);
  void TypedAtomic(AtomicOp atomic_op, CVariable *dst, const ResourceDescriptor &resource, CVariable *pU, CVariable *pV,
                   CVariable *pR, CVariable *src0, CVariable *src1, CVariable *lod, bool is16Bit = false);
  void Cmp(e_predicate p, CVariable *dst, CVariable *src0, CVariable *src1);
  void Select(CVariable *flag, CVariable *dst, CVariable *src0, CVariable *src1);
  void GenericAlu(e_opcode opcode, CVariable *dst, CVariable *src0, CVariable *src1, CVariable *src2 = nullptr);
  void Send(CVariable *dst, CVariable *src, uint exDesc, CVariable *messDescriptor, bool isSendc = false);
  void Send(CVariable *dst, CVariable *src, uint ffid, CVariable *exDesc, CVariable *messDescriptor,
            bool isSendc = false);
  void Sends(CVariable *dst, CVariable *src0, CVariable *src1, uint ffid, CVariable *exDesc, CVariable *messDescriptor,
             bool isSendc = false, bool hasEOT = false);

  void RenderTargetWrite(CVariable *var[], bool isUndefined[], bool lastRenderTarget, bool isNullRT, bool perSample,
                         bool coarseMode, bool headerMaskFromCe0,
                         CVariable *bindingTableIndex, CVariable *RTIndex, CVariable *source0Alpha, CVariable *oMask,
                         CVariable *depth, CVariable *stencil, CVariable *CPSCounter, CVariable *sampleIndex,
                         CVariable *r1Reg);
  void Sample(EOPCODE subOpcode, uint writeMask, CVariable *offset, const ResourceDescriptor &bindingTableIndex,
              const ResourceDescriptor &pairedesource, const SamplerDescriptor &SamplerIdx, uint numSources,
              CVariable *dst, llvm::SmallVector<CVariable *, 4> &payload, bool zeroLOD, bool cpsEnable,
              bool feedbackEnable, bool nonUniformState = false);
  void Load(EOPCODE subOpcode, uint writeMask, CVariable *offset, const ResourceDescriptor &resource,
            const ResourceDescriptor &pairedesource, uint numSources, CVariable *dst,
            llvm::SmallVector<CVariable *, 4> &payload, bool zeroLOD, bool feedbackEnable);

  void Info(EOPCODE subOpcode, uint writeMask, const ResourceDescriptor &resource, CVariable *lod, CVariable *dst);

  void Gather4Inst(EOPCODE subOpcode, CVariable *offset, const ResourceDescriptor &resource,
                   const ResourceDescriptor &pairedesource, const SamplerDescriptor &sampler, uint numSources,
                   CVariable *dst, llvm::SmallVector<CVariable *, 4> &payload, uint channel, bool feedbackEnable);

  void OWLoad(CVariable *dst, const ResourceDescriptor &resource, CVariable *offset, bool owordAligned,
              uint bytesToBeRead, uint dstOffset = 0);
  void OWStore(CVariable *data, e_predefSurface surfaceType, CVariable *bufidx, CVariable *offset, uint bytesToBeRead,
               uint srcOffset);

  void AddrAdd(CVariable *dst, CVariable *src0, CVariable *src1);
  void Barrier(e_barrierKind BarrierKind);
  void Fence(bool CommitEnable, bool L3_Flush_RW_Data, bool L3_Flush_Constant_Data, bool L3_Flush_Texture_Data,
             bool L3_Flush_Instructions, bool Global_Mem_Fence, bool L1_Flush, bool SWFence);
  void FlushSamplerCache();
  void EOT();
  void OWLoadA64(CVariable *dst, CVariable *offset, uint dstSize, uint dstOffset = 0);
  void OWStoreA64(CVariable *dst, CVariable *offset, uint dstSize, uint srcOffset);
  void MediaBlockMessage(ISA_Opcode subOpcode, CVariable *dst, e_predefSurface surfaceType, CVariable *buf,
                         CVariable *xOffset, CVariable *yOffset, uint modifier, unsigned char blockWidth,
                         unsigned char blockHeight, uint plane);
  void GatherA64(CVariable *dst, CVariable *offset, unsigned elementSize, unsigned numElems);
  VISA_VectorOpnd *GetVISALSCSurfaceOpnd(e_predefSurface surfaceType, CVariable *bti);
  static LSC_DATA_SIZE LSC_GetElementSize(unsigned eSize, bool is2DBlockMsg = false);
  static LSC_DATA_ELEMS LSC_GetElementNum(unsigned eNum);
  static LSC_ADDR_TYPE getLSCAddrType(const ResourceDescriptor *resource);
  static LSC_ADDR_TYPE getLSCAddrType(e_predefSurface surfaceType);
  void LSC_LoadGather(LSC_OP subOp, CVariable *dst,
                      CVariable *offset, LSC_DATA_SIZE elemSize, LSC_DATA_ELEMS numElems, unsigned blockOffset,
                      ResourceDescriptor *resource, LSC_ADDR_SIZE addr_size, LSC_DATA_ORDER data_order, int immOffset,
                      int immScale, LSC_CACHE_OPTS cacheOpts, LSC_DOC_ADDR_SPACE addrSpace);
  void LSC_StoreScatter(LSC_OP subOp,
                        CVariable *src, CVariable *offset, LSC_DATA_SIZE elemSize, LSC_DATA_ELEMS numElems,
                        unsigned blockOffset, ResourceDescriptor *resource, LSC_ADDR_SIZE addr_size,
                        LSC_DATA_ORDER data_order, int immOffset, int immScale, LSC_CACHE_OPTS cacheOpts,
                        LSC_DOC_ADDR_SPACE addrSpace);
  void LSC_LoadBlock1D(CVariable *dst, CVariable *offset, LSC_DATA_SIZE elemSize, LSC_DATA_ELEMS numElems,
                       ResourceDescriptor *resource, LSC_ADDR_SIZE addrSize, int addrImmOffset,
                       LSC_CACHE_OPTS cacheOpts);
  void LSC_StoreBlock1D(CVariable *src, CVariable *offset, LSC_DATA_SIZE elemSize, LSC_DATA_ELEMS numElems,
                        ResourceDescriptor *resource, LSC_ADDR_SIZE addrSize, int addrImmOffset,
                        LSC_CACHE_OPTS cacheOpts);
  void LSC_AtomicRaw(AtomicOp atomic_op, CVariable *dst,
                     CVariable *offset, CVariable *src0, CVariable *src1, unsigned short bitwidth,
                     ResourceDescriptor *resource, LSC_ADDR_SIZE addr_size, int immOff, int immScale,
                     LSC_CACHE_OPTS cacheOpts);
  void LSC_Fence(LSC_SFID sfid, LSC_SCOPE scope, LSC_FENCE_OP op);
  void LSC_2DBlockMessage(LSC_OP subOp, ResourceDescriptor *resource, CVariable *dst, CVariable *bufId,
                          CVariable *xOffset, CVariable *yOffset, unsigned blockWidth, unsigned blockHeight,
                          unsigned elemSize, unsigned numBlocks, bool isTranspose, bool isVnni,
                          CVariable *flatImageBaseoffset, CVariable *flatImageWidth, CVariable *flatImageHeight,
                          CVariable *flatImagePitch,
                          LSC_CACHE_OPTS cacheOpts = {LSC_CACHING_DEFAULT, LSC_CACHING_DEFAULT});
  void LSC_2DBlockMessage(LSC_OP subOp, CVariable *Dst, CVariable *AddrPayload, CVariable *Src, uint32_t ImmX,
                          uint32_t ImmY, uint32_t elemSize, uint32_t blockWidth, uint32_t blockHeight,
                          uint32_t numBlocks, bool isTranspose, bool isVnni,
                          LSC_CACHE_OPTS cacheOpts = {LSC_CACHING_DEFAULT, LSC_CACHING_DEFAULT});
  void NamedBarrier(e_barrierKind BarrierKind, CVariable *src0, CVariable *src1, CVariable *src2, CVariable *src3);
  void LSC_TypedReadWrite(LSC_OP subOp, ResourceDescriptor *resource, CVariable *pU, CVariable *pV, CVariable *pR,
                          CVariable *pLODorSampleIdx, CVariable *pSrcDst, unsigned elemSize, unsigned numElems,
                          LSC_ADDR_SIZE addr_size, int chMask,
                          LSC_CACHE_OPTS cacheOpts = {LSC_CACHING_DEFAULT, LSC_CACHING_DEFAULT});


  void LSC_TypedAtomic(AtomicOp subOp, ResourceDescriptor *resource, CVariable *pU, CVariable *pV, CVariable *pR,
                       CVariable *pSrc0, CVariable *pSrc1, CVariable *pSrcDst, unsigned elemSize,
                       LSC_ADDR_SIZE addr_size, LSC_CACHE_OPTS cacheOpts);


  void LSC_Typed2dBlock(LSC_OP subOpcode, CVariable *dst, e_predefSurface surfaceType, CVariable *buf,
                        CVariable *xOffset, CVariable *yOffset, int blockWidth, int blockHeight);
  void LSC_UntypedAppendCounterAtomic(LSC_OP lscOp, ResourceDescriptor *resource, CVariable *dst, CVariable *src0);
  void AppendBreakpoint();
  void ScatterA64(CVariable *val, CVariable *offset, unsigned elementSize, unsigned numElems);
  void ByteGather(CVariable *dst, const ResourceDescriptor &resource, CVariable *offset, unsigned elementSize,
                  unsigned numElems);
  void ByteScatter(CVariable *src, const ResourceDescriptor &resource, CVariable *offset, unsigned elementSize,
                   unsigned numElems);
  void Gather4Scaled(CVariable *dst, const ResourceDescriptor &resource, CVariable *offset, unsigned Mask = 0);
  void Gather4ScaledNd(CVariable *dst, const ResourceDescriptor &resource, CVariable *offset, unsigned nd,
                       unsigned Mask = 0);
  void Scatter4Scaled(CVariable *src, const ResourceDescriptor &resource, CVariable *offset);
  void Gather4A64(CVariable *dst, CVariable *offset);
  void Scatter4A64(CVariable *src, CVariable *offset);
  void BoolToInt(CVariable *dst, CVariable *src);
  void Copy(CVariable *dst, CVariable *src);
  void SubroutineCall(CVariable *flag, llvm::Function *F);
  void SubroutineRet(CVariable *flag, llvm::Function *F);
  void StackCall(CVariable *flag, llvm::Function *F, unsigned char argSize, unsigned char retSize);
  void IndirectStackCall(CVariable *flag, CVariable *funcPtr, unsigned char argSize, unsigned char retSize);
  void StackRet(CVariable *flag);
  void Loc(unsigned int line);
  void File(std::string &s);
  void PredAdd(CVariable *flag, CVariable *dst, CVariable *src0, CVariable *src1);
  void DebugLinePlaceholder();

  inline void Jump(uint label);
  inline void Cast(CVariable *dst, CVariable *src);
  inline void Add(CVariable *dst, CVariable *src0, CVariable *src1);
  inline void Bfi(CVariable *dst, CVariable *src0, CVariable *src1, CVariable *src2, CVariable *src3);
  inline void Bfe(CVariable *dst, CVariable *src0, CVariable *src1, CVariable *src2);
  inline void Bfrev(CVariable *dst, CVariable *src0);
  inline void CBit(CVariable *dst, CVariable *src0);
  inline void Fbh(CVariable *dst, CVariable *src0);
  inline void Fbl(CVariable *dst, CVariable *src0);
  inline void Mul(CVariable *dst, CVariable *src0, CVariable *src1);
  inline void Pow(CVariable *dst, CVariable *src0, CVariable *src1);
  inline void Div(CVariable *dst, CVariable *src0, CVariable *src1);
  inline void Shl(CVariable *dst, CVariable *src0, CVariable *src1);
  inline void Shr(CVariable *dst, CVariable *src0, CVariable *src1);
  inline void MulH(CVariable *dst, CVariable *src0, CVariable *src1);
  inline void Cos(CVariable *dst, CVariable *src0);
  inline void Sin(CVariable *dst, CVariable *src0);
  inline void Log(CVariable *dst, CVariable *src0);
  inline void Exp(CVariable *dst, CVariable *src0);
  inline void Frc(CVariable *dst, CVariable *src0);
  inline void Sqrt(CVariable *dst, CVariable *src0);
  inline void Floor(CVariable *dst, CVariable *src0);
  inline void Ceil(CVariable *dst, CVariable *src0);
  inline void Ctlz(CVariable *dst, CVariable *src0);
  inline void Truncate(CVariable *dst, CVariable *src0);
  inline void RoundNE(CVariable *dst, CVariable *src0);
  inline void Mod(CVariable *dst, CVariable *src0, CVariable *src1);
  inline void Rsqrt(CVariable *dst, CVariable *src0);
  inline void Inv(CVariable *dst, CVariable *src0);
  inline void Not(CVariable *dst, CVariable *src0);
  // src0 * src1 + src2
  inline void Madw(CVariable *dst, CVariable *src0, CVariable *src1, CVariable *src2);
  inline void Mad(CVariable *dst, CVariable *src0, CVariable *src1, CVariable *src2);
  inline void Lrp(CVariable *dst, CVariable *src0, CVariable *src1, CVariable *src2);
  inline void Xor(CVariable *dst, CVariable *src0, CVariable *src1);
  inline void Or(CVariable *dst, CVariable *src0, CVariable *src1);
  inline void And(CVariable *dst, CVariable *src0, CVariable *src1);
  inline void Pln(CVariable *dst, CVariable *src0, CVariable *src1);
  inline void SendC(CVariable *dst, CVariable *src, uint exDesc, CVariable *messDescriptor);
  inline void SendC(CVariable *dst, CVariable *src, uint ffid, CVariable *exDesc, CVariable *messDescriptor);
  inline void LoadMS(EOPCODE subOpcode, uint writeMask, CVariable *offset, const ResourceDescriptor &resource,
                     uint numSources, CVariable *dst, llvm::SmallVector<CVariable *, 4> &payload, bool feedbackEnable);
  inline void SetP(CVariable *dst, CVariable *src);
  inline void Gather(CVariable *dst, CVariable *bufidx, CVariable *offset, CVariable *gOffset, e_predefSurface surface,
                     int elementSize);
  inline void TypedRead4(const ResourceDescriptor &resource, CVariable *pU, CVariable *pV, CVariable *pR,
                         CVariable *pLOD, CVariable *pDst, uint writeMask);
  inline void TypedWrite4(const ResourceDescriptor &resource, CVariable *pU, CVariable *pV, CVariable *pR,
                          CVariable *pLOD, CVariable *pSrc, uint writeMask);
  inline void Scatter(CVariable *val, CVariable *bufidx, CVariable *offset, CVariable *gOffset, e_predefSurface surface,
                      int elementSize);
  inline void IShr(CVariable *dst, CVariable *src0, CVariable *src1);
  inline void Min(CVariable *dst, CVariable *src0, CVariable *src1);
  inline void Max(CVariable *dst, CVariable *src0, CVariable *src1);
  inline void UAddC(CVariable *dst, CVariable *dstCarryBorrow, CVariable *src0, CVariable *src1);
  inline void USubB(CVariable *dst, CVariable *dstCarryBorrow, CVariable *src0, CVariable *src1);
  inline void IEEESqrt(CVariable *dst, CVariable *src0);
  inline void IEEEDivide(CVariable *dst, CVariable *src0, CVariable *src1);
  void AddPair(CVariable *Lo, CVariable *Hi, CVariable *L0, CVariable *H0, CVariable *L1, CVariable *H1 = nullptr);
  void SubPair(CVariable *Lo, CVariable *Hi, CVariable *L0, CVariable *H0, CVariable *L1, CVariable *H1);
  inline void dp4a(CVariable *dst, CVariable *src0, CVariable *src1, CVariable *src2);
  void Lifetime(VISAVarLifetime StartOrEnd, CVariable *dst);
  void dpas(CVariable *dst, CVariable *input, CVariable *weight, PrecisionType weight_precision, CVariable *actication,
            PrecisionType activation_precision, uint8_t systolicDepth, uint8_t repeatCount, bool IsDpasw);
  void fcvt(CVariable *dst, CVariable *src);
  void srnd(CVariable *D, CVariable *S0, CVariable *R);
  void Bfn(uint8_t booleanFuncCtrl, CVariable *dst, CVariable *src0, CVariable *src1, CVariable *src2);
  void QWGather(CVariable *dst, const ResourceDescriptor &resource, CVariable *offset, unsigned elementSize,
                unsigned numElems);
  void QWScatter(CVariable *src, const ResourceDescriptor &resource, CVariable *offset, unsigned elementSize,
                 unsigned numElems);
  // VME
  void SendVmeIme(CVariable *bindingTableIndex, unsigned char streamMode, unsigned char searchControlMode,
                  CVariable *uniInputVar, CVariable *imeInputVar, CVariable *ref0Var, CVariable *ref1Var,
                  CVariable *costCenterVar, CVariable *outputVar);

  void SendVmeFbr(CVariable *bindingTableIndex, CVariable *uniInputVar, CVariable *fbrInputVar, CVariable *FBRMbModeVar,
                  CVariable *FBRSubMbShapeVar, CVariable *FBRSubPredModeVar, CVariable *outputVar);

  void SendVmeSic(CVariable *bindingTableIndex, CVariable *uniInputVar, CVariable *sicInputVar, CVariable *outputVar);

  // VA
  void SendVideoAnalytic(llvm::GenIntrinsicInst *inst, CVariable *vaResult, CVariable *coords, CVariable *size,
                         CVariable *srcImg, CVariable *sampler);

  void SetDstSubVar(uint subVar);
  void SetDstSubReg(uint subReg);
  void SetSrcSubVar(uint srcNum, uint subVar);
  void SetSrcSubReg(uint srcNum, uint subReg);
  void SetDstModifier(e_modifier mod);
  void SetDstModifier(const DstModifier &modifier);
  void SetSrcModifier(uint srcNum, e_modifier mod);
  void SetPredicate(CVariable *flag);
  void SetInversePredicate(bool inv);
  void SetPredicateMode(e_predMode mode);
  void SetSrcRegion(uint srcNum, uint vStride, uint width, uint hStride, e_instance instance = EINSTANCE_UNSPECIFIED);
  void SetDstRegion(uint hStride);
  inline void SetNoMask();
  inline void SetMask(e_mask mask);
  inline void SetSimdSize(SIMDMode size);
  inline SIMDMode GetSimdSize();
  inline void SetUniformSIMDSize(SIMDMode size);
  inline void SetSubSpanDestination(bool subspan);
  inline bool IsSubSpanDestination();
  inline void SetSecondHalf(bool secondHalf);
  inline bool IsSecondHalf();
  inline void SetSecondNibble(bool secondNibble);
  inline bool IsSecondNibble();

  inline void SetIsCodePatchCandidate(bool v);
  inline bool IsCodePatchCandidate();
  inline unsigned int GetPayloadEnd();
  inline void SetPayloadEnd(unsigned int payloadEnd);
  inline void SetHasPrevKernel(bool v);
  inline bool HasPrevKernel();
  inline void BeginForcedNoMaskRegion();
  inline void EndForcedNoMaskRegion();
  inline bool GetUniqueExclusiveLoad();
  inline void SetUniqueExcusiveLoad(bool v);

  void Wait();

  VISAKernel *GetVISAKernel() const { return vKernel; }
  VISABuilder *GetVISABuilder() const { return vbuilder; }
  void Init();
  void Push();

  void initCR(VISAKernel *vKernel);
  void SetVectorMask(bool vMask);

  // Switches from actualRM to newRM
  void SetRoundingMode_FP(ERoundingMode actualRM, ERoundingMode newRM);
  void SetRoundingMode_FPCvtInt(ERoundingMode actualRM, ERoundingMode newRM);

  static uint GetCISADataTypeSize(VISA_Type type) { return CVariable::GetCISADataTypeSize(type); }
  static e_alignment GetCISADataTypeAlignment(VISA_Type type) { return CVariable::GetCISADataTypeAlignment(type); }

  static VISASampler3DSubOpCode ConvertSubOpcode(EOPCODE subOpcode, bool zeroLOD);

  // Wrappers for (potentially) common queries on types
  static bool IsIntegerType(VISA_Type type);
  static bool IsFloatType(VISA_Type type);

  void SetVISAWaTable(WA_TABLE const &waTable);

  /// \brief Initialize per function states and starts vISA emission
  /// as a vISA subroutine
  void BeginSubroutine(llvm::Function *F);
  /// \brief Initialize per function states and starts vISA emission
  /// as a vISA stack-call function
  void BeginStackFunction(llvm::Function *F);
  /// \brief Initialize interpolation section for vISA emission
  void BeginPayloadSection();

  void DestroyVISABuilder();

  void AddVISASymbol(std::string &symName, CVariable *cvar);

  std::string GetVariableName(CVariable *var);
  std::string GetDumpFileName(std::string extension);

  bool IsPayloadSectionAsPrimary() { return vKernel == vPayloadSection; }
  void SetPayloadSectionAsPrimary() {
    vKernelTmp = vKernel;
    vKernel = vPayloadSection;
  }
  void SetPayloadSectionAsSecondary() { vKernel = vKernelTmp; }

  std::string GetUniqueInlineAsmLabel();

  bool IsVisaCompiledSuccessfully() const { return m_vIsaCompileStatus == VISA_SUCCESS; }
  bool IsVisaCompileStatusFailure() const { return m_vIsaCompileStatus == VISA_FAILURE; }

private:
  // helper functions
  VISA_VectorOpnd *GetSourceOperand(CVariable *var, const SModifier &mod);
  VISA_VectorOpnd *GetSourceOperandNoModifier(CVariable *var);
  VISA_VectorOpnd *GetDestinationOperand(CVariable *var, const SModifier &mod);
  VISA_RawOpnd *GetRawSource(CVariable *var, uint offset = 0);
  VISA_RawOpnd *GetPairedResourceOperand(const ResourceDescriptor &pairedResource);
  VISA_RawOpnd *GetRawDestination(CVariable *var, unsigned offset = 0);
  VISA_PredOpnd *GetFlagOperand(const SFlag &flag);
  VISA_StateOpndHandle *GetVISASurfaceOpnd(e_predefSurface surfaceType, CVariable *var);
  VISA_StateOpndHandle *GetVISASurfaceOpnd(const ResourceDescriptor &resource);
  VISA_LabelOpnd *GetOrCreateLabel(uint label, VISA_Label_Kind kind = LABEL_BLOCK);
  VISA_LabelOpnd *GetFuncLabel(llvm::Function *F);
  void InitLabelMap(const llvm::Function *F);
  CName CreateVisaLabelName(const llvm::StringRef &L = "");
  std::string CreateShortLabel(unsigned labelIndex) const;
  // Compiler labels must start with something a user won't use in inline
  // assembly.
  static const char *GetCompilerLabelPrefix() { return "_"; }

  VISAFunction *GetStackFunction(llvm::Function *F);

  VISA_VectorOpnd *GetUniformSource(CVariable *var);
  VISA_StateOpndHandle *GetBTIOperand(uint bindingTableIndex);
  VISA_StateOpndHandle *GetSamplerOperand(CVariable *sampleIdx);
  VISA_StateOpndHandle *GetSamplerOperand(const SamplerDescriptor &sampler);
  void GetRowAndColOffset(CVariable *var, unsigned int subVar, unsigned int subreg, unsigned char &rowOff,
                          unsigned char &colOff);

  VISA_GenVar *GetVISAVariable(CVariable *var);
  VISA_GenVar *GetVISAVariable(CVariable *var, e_instance instance);
  VISA_EMask_Ctrl ConvertMaskToVisaType(e_mask mask, bool noMask);

  // Generic encoding functions
  void MinMax(CISA_MIN_MAX_SUB_OPCODE subopcode, CVariable *dst, CVariable *src0, CVariable *src1);
  void DataMov(ISA_Opcode opcode, CVariable *dst, CVariable *src);
  void LogicOp(ISA_Opcode opcode, CVariable *dst, CVariable *src0, CVariable *src1 = nullptr, CVariable *src2 = nullptr,
               CVariable *src3 = nullptr);
  void Arithmetic(ISA_Opcode opcode, CVariable *dst, CVariable *src0 = nullptr, CVariable *src1 = nullptr,
                  CVariable *src2 = nullptr);
  // dst may be special `null` CVariable, if only carry/borrow bits matter
  void CarryBorrowArith(ISA_Opcode opcode, CVariable *dst, CVariable *dstCarryBorrow, CVariable *src0, CVariable *src1);
  void ScatterGather(ISA_Opcode opcode, CVariable *srcdst, CVariable *bufId, CVariable *offset, CVariable *gOffset,
                     e_predefSurface surface, int elementSize);
  void TypedReadWrite(ISA_Opcode opcode, const ResourceDescriptor &resource, CVariable *pU, CVariable *pV,
                      CVariable *pR, CVariable *pLOD, CVariable *pSrcDst, uint writeMask);

  VISA_Exec_Size GetAluExecSize(CVariable *dst) const;
  VISA_EMask_Ctrl GetAluEMask(CVariable *dst);
  bool IsSat();
  bool isSamplerIdxLT16(const SamplerDescriptor &sampler);

  // Variable splitting facilities (if crosses 2 GRF boundary).
  bool NeedSplitting(CVariable *var, const SModifier &mod, unsigned &numParts, bool isSource = false) const;
  SModifier SplitVariable(VISA_Exec_Size fromExecSize, VISA_Exec_Size toExecSize, unsigned thePart, CVariable *var,
                          const SModifier &mod, bool isSource = false) const;
  VISA_Exec_Size SplitExecSize(VISA_Exec_Size fromExecSize, unsigned numParts) const;
  VISA_EMask_Ctrl SplitEMask(VISA_Exec_Size fromExecSize, VISA_Exec_Size toExecSize, unsigned thePart,
                             VISA_EMask_Ctrl execMask) const;

  // Split SIMD16 message data payload(MDP) for scattered/untyped write
  // messages into two SIMD8 MDPs : V0 and V1.
  void SplitPayloadToLowerSIMD(CVariable *MDP, uint32_t MDPOfst, uint32_t NumBlks, CVariable *V0, CVariable *V1,
                               uint32_t fromSize = 16);
  // Merge two SIMD8 MDPs (V0 & V1) for scattered/untyped read messages into one
  // SIMD16 message : MDP
  void MergePayloadToHigherSIMD(CVariable *V0, CVariable *V1, uint32_t NumBlks, CVariable *MDP, uint32_t MDPOfst,
                                uint32_t toSize = 16);

  // save compile time by avoiding retry if the amount of spill is (very) small
  bool AvoidRetryOnSmallSpill() const;

  // CreateSymbolTable
  // Note that this function should be called only once even if there are
  // multiple kernels in a program. Current IGC flow will create all symbols in
  // the first kernel and all the other kernels won't contain symbols
  typedef std::vector<std::pair<llvm::Value *, vISA::ZESymEntry>> ValueToSymbolList;
  void CreateSymbolTable(ValueToSymbolList &symbolTableList);
  // Create function symbols
  void CreateFunctionSymbolTable(ValueToSymbolList &symbolTableList, SProgramOutput::ZEBinFuncSymbolTable &funcSyms);
  // Create program symbols
  void CreateProgramSymbolTable(ValueToSymbolList &symbolTableList,
                                SOpenCLProgramInfo::ZEBinProgramSymbolTable &programSyms);
  // Create local symbols for kernels
  void CreateLocalSymbol(const std::string &kernelName, vISA::GenSymType type, unsigned offset, unsigned size,
                         SProgramOutput::ZEBinFuncSymbolTable &symbols);

  // input/output: relocations
  void CreateRelocationTable(VISAKernel *pMainKernel, SProgramOutput::RelocListTy &relocations);

  // CreateFuncAttributeTable
  void CreateFuncAttributeTable(VISAKernel *pMainKernel, GenXFunctionGroupAnalysis *pFga);

  // CreateGlobalHostAccessTable
  typedef std::vector<vISA::HostAccessEntry> HostAccessList;
  void CreateGlobalHostAccessTable(HostAccessList &hostAccessMap);
  // input/output: global host access names
  void CreateGlobalHostAccessTable(SOpenCLProgramInfo::ZEBinGlobalHostAccessTable &globalHostAccessTable);

  uint32_t getGRFSize() const;

  bool needsSplitting(VISA_Exec_Size ExecSize) const {
    if (getGRFSize() == 64) {
      return ExecSize == EXEC_SIZE_32;
    }
    return ExecSize == EXEC_SIZE_16;
  }

  // Note that GEN can set both fpCvtInt_rtz and any of FP rounding modes
  // at the same time. If fpCvtInt uses a rounding mode other than rtz,
  // they both uses FP rounding bits.
  //
  // RM bits in CR0.0.
  //    float RM bits: [5:4];
  //    int RM (float -> int): Bit 12: 0 -> rtz; 1 -> using Float RM
  enum RMEncoding {
    // float rounding mode (fp operations, cvt to fp)
    RoundToNearestEven = 0x00,
    RoundToPositive = 0x10,
    RoundToNegative = 0x20,
    RoundToZero = 0x30,
    // int rounding mode (fp cvt int only), use FP RM for all rounding modes
    // but rtz.
    RoundToNearestEven_int = 0x1000,
    RoundToPositive_int = 0x1010,
    RoundToNegative_int = 0x1020,
    RoundToZero_int_unused = 0x1030,
    RoundToZero_int = 0x0000, // use this for rtz, bit 12 = 0

    IntAndFPRoundingModeMask = 0x1030
  };
  void SetRoundingMode(RMEncoding actualRM, RMEncoding newRM);
  // Get Encoding bit values for rounding mode
  RMEncoding getEncoderRoundingMode_FP(ERoundingMode FP_RM);
  RMEncoding getEncoderRoundingMode_FPCvtInt(ERoundingMode FCvtI_RM);
  unsigned GetRawOpndSplitOffset(VISA_Exec_Size fromExecSize, VISA_Exec_Size toExecSize, unsigned thePart,
                                 CVariable *var) const;

  std::tuple<CVariable *, uint32_t> splitRawOperand(CVariable *var, bool isFirstHalf, VISA_EMask_Ctrl execMask);

  uint32_t getNumChannels(CVariable *var) const;

  void SaveOption(vISAOptions option, bool val);
  void SaveOption(vISAOptions option, uint32_t val);
  void SaveOption(vISAOptions option, const char *val);
  void SetBuilderOptions(VISABuilder *pbuilder);

  unsigned int GetSpillThreshold(SIMDMode simdmode);
private:
  // helper functions for compile flow
  /// shaderOverrideVISAFirstPass - pre-process shader overide dir for visa
  /// shader override. return if there are visa files to be overriden
  bool shaderOverrideVISAFirstPass(std::vector<std::string> &visaOverrideFiles, std::string &kernelName);

  /// shaderOverrideVISASecondPassOrInlineAsm - handle visa inputs of shader
  /// override or inline asm Return the VISAKernel built from overrided visa
  /// or inline asm. Return nullptr if failed to create VISAKernel
  VISAKernel *shaderOverrideVISASecondPassOrInlineAsm(bool visaAsmOverride, bool hasSymbolTable, bool emitVisaOnly,
                                                      const std::vector<const char *> *additionalVISAAsmToLink,
                                                      const std::vector<std::string> &visaOverrideFiles,
                                                      const std::string kernelName);

  // setup m_retryManager according to jitinfo and other factors
  void SetKernelRetryState(CodeGenContext *context, vISA::FINALIZER_INFO *jitInfo, GenXFunctionGroupAnalysis *&pFGA);

  /// create symbol tables and GlobalHostAccessTable
  void createSymbolAndGlobalHostAccessTables(bool hasSymbolTable, VISAKernel &pMainKernel, unsigned int scratchOffset);

  /// create relocation tables according
  void createRelocationTables(VISAKernel &pMainKernel);

  /// Estimate vISA stack size according to FunctionGroup information.
  /// Conservatively increase the stack size when having recursive or indirect
  /// calls if the given function is a Function Group Head. Function group
  /// heads are kernels/entry functions those their stack size will be used to
  /// reported back to the Runtime, so we set a conservative value. For other
  /// non-head functions, we set the precise stack usage of the function.
  ///
  /// For group head functions, when having the stack call, the spillSize
  /// returned by vISA is the sum of required stack size of all potential
  /// callee and without considering recursive or indirect calls.
  uint32_t getSpillMemSizeWithFG(const llvm::Function &curFunc, uint32_t curSize, GenXFunctionGroupAnalysis *fga,
                                 uint32_t gtpinScratchUse);

  const vISA::KernelCostInfo *createKernelCostInfo(VISAKernel &pMainKenrel);

protected:
  // encoder states
  SEncoderState m_encoderState = {};

  llvm::DenseMap<SAlias, CVariable *, SAliasMapInfo> m_aliasesMap;

  // vISA needs its own Wa-table as some of the W/A are applicable
  // only to certain APIs/shader types/reg key settings/etc.
  WA_TABLE m_vISAWaTable = {};

  enum OpType { ET_BOOL, ET_INT32, ET_CSTR };
  struct OptionValue {
    OpType type;
    bool vBool;
    uint32_t vInt32;
    const char *vCstr;
  };
  // List of vISA user options
  std::vector<std::pair<vISAOptions, OptionValue>> m_visaUserOptions;

  // Typically IGC just use ones vKernel for every vISA::compile call,
  // in those cases, vKernel and vMainKernel should be the same.
  // Only when using stack-call, vKernel pointer changes every time
  // IGC addes a vISA kernel or function object, but the vMainKernel
  // always pointing to the first kernel added during InitEncoder.
  VISAKernel *vKernel;
  VISAKernel *vMainKernel;
  VISABuilder *vbuilder;
  VISABuilder *vAsmTextBuilder;

  // This is for CodePatch to split payload interpolation from a shader
  VISAKernel *vPayloadSection;
  VISAKernel *vKernelTmp;
  bool m_hasPrevKernel = false;
  unsigned int m_payloadEnd = 0;
  unsigned int m_argumentStackSize = 0;

  bool m_isCodePatchCandidate = false;

  bool m_hasUniqueExclusiveLoad = false;

  int m_nestLevelForcedNoMaskRegion = 0;

  bool m_enableVISAdump = false;
  bool m_hasInlineAsm = false;

  std::vector<VISA_LabelOpnd *> labelMap;
  std::vector<CName> labelNameMap; // parallel to labelMap

  /// Per kernel label counter
  unsigned labelCounter = 0;
  /// Per kernel label counter for each inline asm block
  unsigned labelInlineAsmCounter = 0;
  /// Each kernel might emit several functions;
  /// we pre-increment this for each new function we process (InitLabelMap)
  /// The first function will see 0, ...
  unsigned labelFunctionIndex = (unsigned)-1;
  ///
  /// The name of the current function; set if we are emitting labels
  CName currFunctionName;

  /// Keep a map between a function and its label, per kernel state.
  llvm::MapVector<llvm::Function *, VISA_LabelOpnd *> funcLabelMap;
  /// Keep a map between a stack-called function and the corresponding vISA
  /// function
  llvm::MapVector<llvm::Function *, VISAFunction *> stackFuncMap;

  // dummy variables
  VISA_SurfaceVar *dummySurface;
  VISA_SamplerVar *samplervar;

  CShader *m_program;
  int m_vIsaCompileStatus = VISA_FAILURE;

  // Keep a map between a function and its per-function attributes needed for
  // function pointer support
  struct FuncAttrib {
    bool isKernel = false;
    bool hasBarrier = false;
    unsigned argumentStackSize = 0;
    unsigned allocaStackSize = 0;
  };
  llvm::MapVector<llvm::Function *, FuncAttrib> funcAttributeMap;

public:
  // Used by EmitVISAPass to set function attributes
  void InitFuncAttribute(llvm::Function *F, bool isKernel = false) { funcAttributeMap[F].isKernel = isKernel; }
  void SetFunctionHasBarrier(llvm::Function *F) {
    if (funcAttributeMap.find(F) != funcAttributeMap.end())
      funcAttributeMap[F].hasBarrier = true;
  }
  void SetFunctionMaxArgumentStackSize(llvm::Function *F, unsigned size) {
    if (funcAttributeMap.find(F) != funcAttributeMap.end())
      m_argumentStackSize = funcAttributeMap[F].argumentStackSize = MAX(funcAttributeMap[F].argumentStackSize, size);
  }
  void SetFunctionAllocaStackSize(llvm::Function *F, unsigned size) {
    if (funcAttributeMap.find(F) != funcAttributeMap.end())
      funcAttributeMap[F].allocaStackSize = size;
  }
};

inline void CEncoder::Jump(uint label) { Jump(NULL, label); }

inline void CEncoder::Bfi(CVariable *dst, CVariable *src0, CVariable *src1, CVariable *src2, CVariable *src3) {
  LogicOp(ISA_BFI, dst, src0, src1, src2, src3);
}

inline void CEncoder::Bfe(CVariable *dst, CVariable *src0, CVariable *src1, CVariable *src2) {
  LogicOp(ISA_BFE, dst, src0, src1, src2);
}

inline void CEncoder::Bfrev(CVariable *dst, CVariable *src0) { LogicOp(ISA_BFREV, dst, src0); }

inline void CEncoder::CBit(CVariable *dst, CVariable *src) { LogicOp(ISA_CBIT, dst, src); }

inline void CEncoder::Fbh(CVariable *dst, CVariable *src) { LogicOp(ISA_FBH, dst, src); }

inline void CEncoder::Fbl(CVariable *dst, CVariable *src) { LogicOp(ISA_FBL, dst, src); }

inline void CEncoder::Mul(CVariable *dst, CVariable *src0, CVariable *src1) { Arithmetic(ISA_MUL, dst, src0, src1); }

inline void CEncoder::Pow(CVariable *dst, CVariable *src0, CVariable *src1) { Arithmetic(ISA_POW, dst, src0, src1); }

inline void CEncoder::Div(CVariable *dst, CVariable *src0, CVariable *src1) { Arithmetic(ISA_DIV, dst, src0, src1); }

inline void CEncoder::Add(CVariable *dst, CVariable *src0, CVariable *src1) { Arithmetic(ISA_ADD, dst, src0, src1); }

inline void CEncoder::Shl(CVariable *dst, CVariable *src0, CVariable *src1) { LogicOp(ISA_SHL, dst, src0, src1); }

inline void CEncoder::IShr(CVariable *dst, CVariable *src0, CVariable *src1) { LogicOp(ISA_ASR, dst, src0, src1); }

inline void CEncoder::Shr(CVariable *dst, CVariable *src0, CVariable *src1) { LogicOp(ISA_SHR, dst, src0, src1); }

inline void CEncoder::MulH(CVariable *dst, CVariable *src0, CVariable *src1) { Arithmetic(ISA_MULH, dst, src0, src1); }

inline void CEncoder::Cos(CVariable *dst, CVariable *src0) { Arithmetic(ISA_COS, dst, src0); }

inline void CEncoder::Sin(CVariable *dst, CVariable *src0) { Arithmetic(ISA_SIN, dst, src0); }

inline void CEncoder::Log(CVariable *dst, CVariable *src0) { Arithmetic(ISA_LOG, dst, src0); }

inline void CEncoder::Exp(CVariable *dst, CVariable *src0) { Arithmetic(ISA_EXP, dst, src0); }

inline void CEncoder::Sqrt(CVariable *dst, CVariable *src0) { Arithmetic(ISA_SQRT, dst, src0); }

inline void CEncoder::Floor(CVariable *dst, CVariable *src0) { Arithmetic(ISA_RNDD, dst, src0); }

inline void CEncoder::Ceil(CVariable *dst, CVariable *src0) { Arithmetic(ISA_RNDU, dst, src0); }

inline void CEncoder::Ctlz(CVariable *dst, CVariable *src0) { Arithmetic(ISA_LZD, dst, src0); }

inline void CEncoder::Truncate(CVariable *dst, CVariable *src0) { Arithmetic(ISA_RNDZ, dst, src0); }

inline void CEncoder::RoundNE(CVariable *dst, CVariable *src0) { Arithmetic(ISA_RNDE, dst, src0); }

inline void CEncoder::Mod(CVariable *dst, CVariable *src0, CVariable *src1) { Arithmetic(ISA_MOD, dst, src0, src1); }

inline void CEncoder::Rsqrt(CVariable *dst, CVariable *src0) { Arithmetic(ISA_RSQRT, dst, src0); }

inline void CEncoder::Inv(CVariable *dst, CVariable *src0) { Arithmetic(ISA_INV, dst, src0); }

inline void CEncoder::Not(CVariable *dst, CVariable *src0) { Arithmetic(ISA_NOT, dst, src0); }

inline void CEncoder::Frc(CVariable *dst, CVariable *src0) { Arithmetic(ISA_FRC, dst, src0); }

inline void CEncoder::Pln(CVariable *dst, CVariable *src0, CVariable *src1) { Arithmetic(ISA_PLANE, dst, src0, src1); }

inline void CEncoder::Cast(CVariable *dst, CVariable *src) { DataMov(ISA_MOV, dst, src); }

// src0 * src1 + src2
inline void CEncoder::Madw(CVariable *dst, CVariable *src0, CVariable *src1, CVariable *src2) {
  Arithmetic(ISA_MADW, dst, src0, src1, src2);
}

// src0 * src1 + src2
inline void CEncoder::Mad(CVariable *dst, CVariable *src0, CVariable *src1, CVariable *src2) {
  Arithmetic(ISA_MAD, dst, src0, src1, src2);
}

inline void CEncoder::Lrp(CVariable *dst, CVariable *src0, CVariable *src1, CVariable *src2) {
  Arithmetic(ISA_LRP, dst, src0, src1, src2);
}

inline void CEncoder::Xor(CVariable *dst, CVariable *src0, CVariable *src1) { LogicOp(ISA_XOR, dst, src0, src1); }

inline void CEncoder::Or(CVariable *dst, CVariable *src0, CVariable *src1) { LogicOp(ISA_OR, dst, src0, src1); }

inline void CEncoder::And(CVariable *dst, CVariable *src0, CVariable *src1) { LogicOp(ISA_AND, dst, src0, src1); }

inline void CEncoder::SetP(CVariable *dst, CVariable *src0) {
  // We always need no mask when doing a set predicate
  m_encoderState.m_noMask = true;
  DataMov(ISA_SETP, dst, src0);
}

inline void CEncoder::Min(CVariable *dst, CVariable *src0, CVariable *src1) { MinMax(CISA_DM_FMIN, dst, src0, src1); }

inline void CEncoder::Max(CVariable *dst, CVariable *src0, CVariable *src1) { MinMax(CISA_DM_FMAX, dst, src0, src1); }

inline void CEncoder::UAddC(CVariable *dst, CVariable *dstCarryBorrow, CVariable *src0, CVariable *src1) {
  CarryBorrowArith(ISA_ADDC, dst, dstCarryBorrow, src0, src1);
}

inline void CEncoder::USubB(CVariable *dst, CVariable *dstCarryBorrow, CVariable *src0, CVariable *src1) {
  CarryBorrowArith(ISA_SUBB, dst, dstCarryBorrow, src0, src1);
}

inline void CEncoder::LoadMS(EOPCODE subOpcode, uint writeMask, CVariable *offset, const ResourceDescriptor &resource,
                             uint numSources, CVariable *dst, llvm::SmallVector<CVariable *, 4> &payload,
                             bool feedbackEnable) {
  ResourceDescriptor pairedResource{};
  Load(subOpcode, writeMask, offset, resource, pairedResource, numSources, dst, payload, false, feedbackEnable);
}

inline void CEncoder::Gather(CVariable *dst, CVariable *bufId, CVariable *offset, CVariable *gOffset,
                             e_predefSurface surface, int elementSize) {
  ScatterGather(ISA_GATHER, dst, bufId, offset, gOffset, surface, elementSize);
}

inline void CEncoder::TypedRead4(const ResourceDescriptor &resource, CVariable *pU, CVariable *pV, CVariable *pR,
                                 CVariable *pLOD, CVariable *pDst, uint writeMask) {
  TypedReadWrite(ISA_GATHER4_TYPED, resource, pU, pV, pR, pLOD, pDst, writeMask);
}

inline void CEncoder::TypedWrite4(const ResourceDescriptor &resource, CVariable *pU, CVariable *pV, CVariable *pR,
                                  CVariable *pLOD, CVariable *pSrc, uint writeMask) {
  TypedReadWrite(ISA_SCATTER4_TYPED, resource, pU, pV, pR, pLOD, pSrc, writeMask);
}

inline void CEncoder::Scatter(CVariable *val, CVariable *bufidx, CVariable *offset, CVariable *gOffset,
                              e_predefSurface surface, int elementSize) {
  ScatterGather(ISA_SCATTER, val, bufidx, offset, gOffset, surface, elementSize);
}

inline void CEncoder::SendC(CVariable *dst, CVariable *src, uint exDesc, CVariable *messDescriptor) {
  Send(dst, src, exDesc, messDescriptor, true);
}

inline void CEncoder::SendC(CVariable *dst, CVariable *src, uint ffid, CVariable *exDesc, CVariable *messDescriptor) {
  Send(dst, src, ffid, exDesc, messDescriptor, true);
}

inline void CEncoder::IEEESqrt(CVariable *dst, CVariable *src0) { Arithmetic(ISA_SQRTM, dst, src0); }

inline void CEncoder::IEEEDivide(CVariable *dst, CVariable *src0, CVariable *src1) {
  Arithmetic(ISA_DIVM, dst, src0, src1);
}

inline void CEncoder::dp4a(CVariable *dst, CVariable *src0, CVariable *src1, CVariable *src2) {
  Arithmetic(ISA_DP4A, dst, src0, src1, src2);
}

inline void CEncoder::SetIsCodePatchCandidate(bool v) { m_isCodePatchCandidate = v; }

inline bool CEncoder::IsCodePatchCandidate() { return m_isCodePatchCandidate; }

inline void CEncoder::SetPayloadEnd(unsigned int payloadEnd) { m_payloadEnd = payloadEnd; }

inline unsigned int CEncoder::GetPayloadEnd() { return m_payloadEnd; }

inline void CEncoder::SetHasPrevKernel(bool v) { m_hasPrevKernel = v; }

inline bool CEncoder::HasPrevKernel() { return m_hasPrevKernel; }

inline bool CEncoder::GetUniqueExclusiveLoad() { return m_hasUniqueExclusiveLoad; }

inline void CEncoder::SetUniqueExcusiveLoad(bool v) { m_hasUniqueExclusiveLoad = v; }

inline void CEncoder::BeginForcedNoMaskRegion() {
  ++m_nestLevelForcedNoMaskRegion;
  // Start submitting insts with NoMask control
  m_encoderState.m_noMask = true;
}

inline void CEncoder::EndForcedNoMaskRegion() {
  --m_nestLevelForcedNoMaskRegion;
  IGC_ASSERT_MESSAGE(m_nestLevelForcedNoMaskRegion >= 0, "Invalid nesting of Unmasked regions");
  // Out of unmasked region, return to submitting insts
  // with Mask control
  if (m_nestLevelForcedNoMaskRegion == 0)
    m_encoderState.m_noMask = false;
}

inline void CEncoder::SetNoMask() { m_encoderState.m_noMask = true; }

inline void CEncoder::SetMask(e_mask mask) { m_encoderState.m_mask = mask; }

inline void CEncoder::SetSimdSize(SIMDMode size) { m_encoderState.m_simdSize = size; }

inline SIMDMode CEncoder::GetSimdSize() { return m_encoderState.m_simdSize; }

inline void CEncoder::SetUniformSIMDSize(SIMDMode size) { m_encoderState.m_uniformSIMDSize = size; }

inline void CEncoder::SetSubSpanDestination(bool subspan) { m_encoderState.m_SubSpanDestination = subspan; }

inline void CEncoder::SetSecondHalf(bool secondHalf) { m_encoderState.m_secondHalf = secondHalf; }

inline bool CEncoder::IsSecondHalf() { return m_encoderState.m_secondHalf; }

inline void CEncoder::SetSecondNibble(bool secondNibble) { m_encoderState.m_secondNibble = secondNibble; }

inline bool CEncoder::IsSecondNibble() { return m_encoderState.m_secondNibble; }

inline bool CEncoder::IsSubSpanDestination() { return m_encoderState.m_SubSpanDestination; }

VISA_Modifier ConvertModifierToVisaType(e_modifier modifier);
VISA_Cond_Mod ConvertCondModToVisaType(e_predicate condMod);
VISA_Oword_Num ConvertSizeToVisaType(uint size);
VISAChannelMask ConvertChannelMaskToVisaType(uint mask);
VISASourceSingleChannel ConvertSingleSourceChannel(uint srcChannel);

GenPrecision ConvertPrecisionToVisaType(PrecisionType P);
} // namespace IGC
